[Mesa3d-dev] Bug in imports.c

[Gareth H. <ga...@va...>]

I think this is pretty fatal:

static char *
_mesa_getenv(__GLcontext *gc, const char *var)
{
   (void) gc;
   return gc->imports.getenv(gc, var);
}

void
_mesa_InitDefaultImports(__GLimports *imports, void *driverCtx, void
*other)
{
   ...
   imports->getenv = _mesa_getenv;
   ...
}


It seems that this:

static void
_mesa_warning(__GLcontext *gc, char *str)
{
   GLboolean debug;
#ifdef DEBUG
   debug = GL_TRUE;
#else
/* Whacko XFree86 macro:
 */
#ifdef getenv
#undef getenv
#endif
   if (gc->imports.getenv(gc, "MESA_DEBUG")) {
      debug = GL_TRUE;
   }
   else {
      debug = GL_FALSE;
   }
#endif
   if (debug) {
      fprintf(stderr, "Mesa warning: %s\n", str);
   }
}

is preventing _mesa_getenv() from just calling getenv(), right?  There's
obviously stuff going on here that I don't know about, so I'll leave it
up to you Brian.

-- Gareth